Greater London · England
Monkhams Sand Mastic
Traditional burnt sand mastic around sash and case windows and doors in stone and brick in Monkhams, with a one-year guarantee on every job. Ask us for a quote.
- Failed mastic on an exposed elevation
- Mastic round period door frames that has failed
- Gaps where the frame meets the masonry
Sand mastic in Monkhams, done properly
Sand mastic suits most period window surrounds. On modern frames we’d normally use a flexible sealant, and we’ll talk through which suits your home. If you’re dealing with window mastic to renew ahead of painting and wind and rain getting in round a sash window, we can help, on period & listed homes, stone surrounds and sash and case windows alike.
From mansion-block windows to modern glazing in new flats, London has every kind of frame. The mastic around them dries out and cracks with age, letting in draughts and water.
The work is guaranteed for twelve months. If there’s a problem with our work within the year, let us know and we’ll sort it.
- Where
- Monkhams (IG8, IG9, E4)
- Wider area
- Greater London
- Cover
- 12 months on all our work
- Quote
- A clear price before any work starts
- Telephone
- 0345 464 0079
- Page updated
- 26 October 2026
Questions from Monkhams
Do you cover Monkhams for sand mastic?
Yes. We work across London and the South East, and Monkhams is part of that. Just ring 0345 464 0079 or drop us an email with a few details of the job, and we will give you a clear price.
Is parking an issue for sand mastic in Monkhams?
Parking in Monkhams, as in most of London, takes a little planning: a visitor permit or a nearby bay makes the day run more smoothly.
Which is right for my windows, sand mastic or modern sealant?
We will talk it through with you. Period homes often look best with sand mastic, and modern sealants suit newer frames.
Which products do you use?
Products from Arbo and Everbuild, among others, picked for each joint. We explain the product when we quote.
Is it worth trying it myself?
That depends on the joint. Work at height, movement joints, fire-rated gaps and large areas are best left to a professional.
Can you seal over the old sealant?
No. Fresh sealant doesn’t stick to old sealant, and anything trapped underneath, including mould and water, stays there. It all has to come out first.
What guarantee comes with the work?
Our one-year guarantee covers every job.
Can sand mastic be painted?
It’s traditionally left unpainted, as guidance on traditional windows advises. Ask us before decorating.
Places near Monkhams
What else we do in Monkhams
DIY sealant or a professional job?
If you do try it yourself, take your time over the preparation: take out all the old sealant, make sure the joint is clean and dry, and give it the full cure time. If it doesn’t work out, we can still put it right.
Some jobs are best left to a professional: high-level joints, fire-rated gaps, external movement joints and big jobs need the right product, the right access and the right method.
Why deal with it now?
Filling over old, loose mastic does not last. We remove the loose material first so the new work lasts. In older London homes, water behind a failed joint soaks into brick and timber without much sign, and once it shows in Monkhams, the repair is bigger than a sealant job.
Doing several joints on one visit is usually more efficient than separate visits, so tell us about everything that needs sealing. We’ll send you a clear quote for the lot.
Why us?
- Domestic, commercial and hotel work
- Every job guaranteed for a year
- Sanitary silicone with an anti-fungal additive in wet areas
- Approved under the ARBOMaster scheme
Read what affects the cost and customer reviews.
What affects the quote in Monkhams
We quote each job individually. This is what makes a difference:
- Any mould that needs treating
- How easy the joints are to reach
- The amount of work
- The old material and how stubborn it is
The cost reflects the work involved, not a rough estimate. That is why we ask about the job first.
What we need to know
When you contact us, these details help:
- If someone has resealed it before
- If it’s domestic, commercial or a hotel
- What’s wrong with the joints now
- The rough size of the job
For a quick quote, get us on the phone, or send an email if you’d rather. Tell us about the joints that need doing and we’ll talk you through the work.
What the job involves on each surface
Sash and case windows
Most of our sand mastic work is on sash windows. We renew the mastic round each box.
Brick reveals
Gaps between frame and brick let in rain and draughts. New mastic seals the gap.
The process
The work is kept neat and contained to the joints we’re treating. Expect the work to take a few hours per window, depending on the condition of the joints, and we tell you how long to leave it before we go. In Monkhams, flats, stairs and shared entrances are part of the routine. Mention any building rules, key holders or managing agents when you book.
- We look at the surrounds with you and agree the joints to renew.
- Old mastic and any loose material are raked out.
- We pack any deep voids first.
- The sand mastic is mixed and pressed into the joint by hand.
- We dress the finish so it sits neatly against the masonry.
Before we arrive
- Let us know about parking restrictions
- On commercial sites, let us know about site rules
- Keep pets and children clear of the area while we work
Ask for a quote
There’s no standard price list, as no two jobs are quite the same. Instead, your job gets its own clear quote. To get started, phone 0345 464 0079 or email us.
Advice
Landlords, agents and businesses in Monkhams
Failed sealant is one of the commonest items on a check-out report, and it’s quick to put right between tenancies. Several properties can be quoted together.
A neglected joint can let water reach the structure, which matters even more when someone else lives there. Resealing at the right time is simple maintenance.
Honest limits
It helps to know what we can’t do:
- Sash cords, weights and draught-proofing of the sashes
- Timber that has rotted
- Putty and glazing repairs
Not sure which it is? You can call 0345 464 0079 or send us an email and we will tell you honestly.
Where we work in Monkhams
- Brick reveals
- Stone surrounds
- Period & listed homes
- Sash and case windows
- Tenement windows
- Timber door frames
Frames and glazing around Monkhams
Rainfall in the South East is lower than in much of the UK, yet outdoor joints still have to be sealed dry, so jobs are booked with the weather in mind. Historic houses like Valentines Mansion (about 3.6 miles south-east) are a reminder that the area around Monkhams has older buildings as well as new. In older buildings, older timber frames in brick or stone need a different approach from a modern uPVC window.
Homes close to All Saints' Church include some older properties, and frames set in older brick or stone need a sealant that suits the wall as well as the frame. Monkhams is in London, so parking needs planning: let us know about parking bays, permits or a driveway. For landlords with property near Highams Park station, older sash windows in a rental need their mastic kept sound to keep the weather out.
Monkhams is about 1 mile north of Woodford, in Greater London. Every kind of property in Monkhams can book us for sand mastic. Every job comes with our one-year guarantee. Our Greater London coverage runs to 764 places, and Monkhams is one of them. We also work in London, about 10 miles from Monkhams.
Every address in IG8, IG9 and E4 is covered for sand mastic, from the main roads to the quietest streets. You’ll find streets such as Oak Lane, Wood Lane and Mill Lane. You will find Monkhams on the A121, so it’s easy for us to get to with everything needed for sand mastic. Nearby, we also carry out sand mastic in Woodford Wells (1 mile east), Friday Hill (1 mile west), Woodford (1 mile south), Buckhurst Hill (1 mile north-east) and Chingford Hatch (1 mile west). We also work in nearby towns such as London (10 miles south-west), City of Westminster (10 miles south-west), Marylebone (10 miles south-west), Kensington (13 miles south-west), St Pancras (9 miles south-west) and Shoreditch (8 miles south-west).
Local landmarks in Monkhams
Around Monkhams, our work takes us to homes and buildings near Woodford Green Preparatory School, The Highams Park and Trinity Catholic High School. The closest station to Monkhams is Highams Park station, about 1.2 miles south-west of the centre. A little further out are The Epping Forest Museum (1.3 miles north) and Claybury Hospital (2.1 miles south-east). Open spaces near Monkhams include Highams Park Lake and Pole Hill.